From d9ef72cd1c15c2fc1f7131cd78304dd21bc15953 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 10 Feb 2015 18:24:07 +0800 Subject: [PATCH] hwmon: (ads7828) Check return value of devm_regmap_init_i2c devm_regmap_init_i2c() can fail, thus add return value checking. Signed-off-by: Axel Lin Signed-off-by: Guenter Roeck --- drivers/hwmon/ads7828.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c index bce4e9ff21bf..6c99ee7bafa3 100644 --- a/drivers/hwmon/ads7828.c +++ b/drivers/hwmon/ads7828.c @@ -147,6 +147,9 @@ static int ads7828_probe(struct i2c_client *client, &ads2830_regmap_config); } + if (IS_ERR(data->regmap)) + return PTR_ERR(data->regmap); + data->cmd_byte = ext_vref ? ADS7828_CMD_PD1 : ADS7828_CMD_PD3; if (!diff_input) data->cmd_byte |= ADS7828_CMD_SD_SE; -- 2.34.1